<script setup>
import {User, Lock} from '@element-plus/icons-vue'
import {ref} from 'vue'
import { ElMessage } from 'element-plus'
import {useRouter} from "vue-router";
//控制注册与登录表单的显示， 默认显示注册
const isRegister = ref(false)

const registerData = ref({
    username: '',
    password: '',
    rePassword: '',
})

//效验密码的函数
const checkRePassword = (rule, value, callback) => {
    if (value === '') {
        callback(new Error('请再次确认密码'))
    } else if (value !== registerData.value.password) {
        callback(new Error('请确保两次输入密码的一致性'))
    } else {
        callback()
    }
}

import {userRegisterService,userLoginService} from '@/api/user'

const register = async () => {
    let result = await userRegisterService(registerData.value);
    /*if (result.code === 0) {
        alert(result.msg ? result.msg : '注册成功')
    }else {
        alert('注册失败')
    }*/

    // alert(result.msg ? result.msg :'注册成功')
    ElMessage.success(result.msg ? result.msg :'注册成功')
}

import {useTokenStore} from "@/stores/token.js";

const router = useRouter()
const tokenStore = useTokenStore();
//登录函数
const login = async () => {
    let result = await userLoginService(registerData.value);
    /*if (result.code === 0) {
        alert(result.msg ? result.msg : '登录成功')
    }else {
        alert('登录失败')
    }*/
    // alert(result.msg ? result.msg :'注册成功'result.msg ? result.msg :'注册成功')
    tokenStore.setToken(result.data)
    ElMessage.success(result.msg ? result.msg :'登录成功')
    await router.push('/')

}

//定义表单效验规则
const rules = {
    username: [
        {required: true, message: '请输入用户名', trigger: 'blur'},
        {min: 5, max: 16, message: '长度为5-16位非空字符', trigger: 'blur'},
    ],
    password: [
        {required: true, message: '请输入密码', trigger: 'blur'},
        {min: 5, max: 16, message: '长度为5-16位非空字符', trigger: 'blur'},
    ],
    rePassword: [
        {validator: checkRePassword, trigger: 'blur'},

    ]
}

//定义函数，清除数据函数模型
const clearRegisterData = () => {
    registerData.value = {
        username:'',
        password:'',
        rePassword: '',
    }
}

</script>

<template>
    <el-row class="login-page">
        <el-col :span="12" class="bg"></el-col>
        <el-col :span="6" :offset="3" class="form">
            <!-- 注册表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-if="isRegister" :model="registerData" :rules="rules">
                <el-form-item>
                    <h1>注册</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入密码"
                              v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item prop="rePassword">
                    <el-input :prefix-icon="Lock" type="password" placeholder="请输入再次密码"
                              v-model="registerData.rePassword"></el-input>
                </el-form-item>
                <!-- 注册按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="register">
                        注册
                    </el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = false; clearRegisterData()">
                        ← 返回
                    </el-link>
                </el-form-item>
            </el-form>
            <!-- 登录表单 -->
            <el-form ref="form" size="large" autocomplete="off" v-else :model="registerData" rules="rules">
                <el-form-item>
                    <h1>登录</h1>
                </el-form-item>
                <el-form-item prop="username">
                    <el-input :prefix-icon="User" placeholder="请输入用户名" v-model="registerData.username"></el-input>
                </el-form-item>
                <el-form-item prop="password">
                    <el-input name="password" :prefix-icon="Lock" type="password" placeholder="请输入密码" v-model="registerData.password"></el-input>
                </el-form-item>
                <el-form-item class="flex">
                    <div class="flex">
                        <el-checkbox>记住我</el-checkbox>
                        <el-link type="primary" :underline="false">忘记密码？</el-link>
                    </div>
                </el-form-item>
                <!-- 登录按钮 -->
                <el-form-item>
                    <el-button class="button" type="primary" auto-insert-space @click="login">登录</el-button>
                </el-form-item>
                <el-form-item class="flex">
                    <el-link type="info" :underline="false" @click="isRegister = true; clearRegisterData()">
                        注册 →
                    </el-link>
                </el-form-item>
            </el-form>
        </el-col>
    </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
    url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>